| 单词 | 圆心 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔MIDDLE〕Draw a line through the center of the circle. 通过圆心画一条线。朗文写作活用〔center〕A point equidistant from all points on the circumference of a circle or on the surface of a sphere.圆心，球心：与一圆周上或一球面上所有点等距的一点美国传统〔central angle〕An angle having its vertex at the center of a circle.圆心角：顶点在圆心的角美国传统〔centre〕Draw a line through the centre of the circle.穿过圆心画一条直线。朗文当代〔circle〕A plane curve everywhere equidistant from a given fixed point, the center.圆，圆形：从定点（圆心）等距离到任一点的平面曲线美国传统〔coincide〕The centres of concentric circles coincide.同心圆的圆心是一个。21世纪英汉〔coincide〕The centres of concentric circles coincide.同心圆的圆心重合。英汉大词典〔equidistant〕All points on a circle are equidistant from the centre.圆周上各点离圆心的距离相等。牛津高阶〔equidistant〕Points on a circle are equidistant from its center.圆周上的各点到圆心的距离相等。韦氏高阶〔equidistant〕Points on a circle are equidistant from its centre.圆周上各点与圆心等距。英汉大词典〔radius〕A line segment that joins the center of a circle with any point on its circumference.圆半径：将圆心与圆周上任一连接起来的线段美国传统〔secant〕The straight line drawn from the center through one end of a circular arc and intersecting the tangent to the other end of the arc.正割线：从圆心引出的经过圆弧一个端点并与另一端点正切交割的直线美国传统A circle without a center is inconceivable. 一个没有圆心的圆是无法想像的。译典通 |
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